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path: root/drivers/firmware/dmi-id.c
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Diffstat (limited to 'drivers/firmware/dmi-id.c')
-rw-r--r--drivers/firmware/dmi-id.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/drivers/firmware/dmi-id.c b/drivers/firmware/dmi-id.c
index 951b6c79f166..d19c78a78ae3 100644
--- a/drivers/firmware/dmi-id.c
+++ b/drivers/firmware/dmi-id.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Export SMBIOS/DMI info via sysfs to userspace
*
* Copyright 2007, Lennart Poettering
- *
- * Licensed under GPLv2
*/
#include <linux/module.h>
@@ -43,10 +42,13 @@ DEFINE_DMI_ATTR_WITH_SHOW(bios_vendor, 0444, DMI_BIOS_VENDOR);
DEFINE_DMI_ATTR_WITH_SHOW(bios_version, 0444, DMI_BIOS_VERSION);
DEFINE_DMI_ATTR_WITH_SHOW(bios_date, 0444, DMI_BIOS_DATE);
DEFINE_DMI_ATTR_WITH_SHOW(sys_vendor, 0444, DMI_SYS_VENDOR);
+DEFINE_DMI_ATTR_WITH_SHOW(bios_release, 0444, DMI_BIOS_RELEASE);
+DEFINE_DMI_ATTR_WITH_SHOW(ec_firmware_release, 0444, DMI_EC_FIRMWARE_RELEASE);
DEFINE_DMI_ATTR_WITH_SHOW(product_name, 0444, DMI_PRODUCT_NAME);
DEFINE_DMI_ATTR_WITH_SHOW(product_version, 0444, DMI_PRODUCT_VERSION);
DEFINE_DMI_ATTR_WITH_SHOW(product_serial, 0400, DMI_PRODUCT_SERIAL);
DEFINE_DMI_ATTR_WITH_SHOW(product_uuid, 0400, DMI_PRODUCT_UUID);
+DEFINE_DMI_ATTR_WITH_SHOW(product_sku, 0444, DMI_PRODUCT_SKU);
DEFINE_DMI_ATTR_WITH_SHOW(product_family, 0444, DMI_PRODUCT_FAMILY);
DEFINE_DMI_ATTR_WITH_SHOW(board_vendor, 0444, DMI_BOARD_VENDOR);
DEFINE_DMI_ATTR_WITH_SHOW(board_name, 0444, DMI_BOARD_NAME);
@@ -71,6 +73,10 @@ static void ascii_filter(char *d, const char *s)
static ssize_t get_modalias(char *buffer, size_t buffer_size)
{
+ /*
+ * Note new fields need to be added at the end to keep compatibility
+ * with udev's hwdb which does matches on "`cat dmi/id/modalias`*".
+ */
static const struct mafield {
const char *prefix;
int field;
@@ -78,6 +84,8 @@ static ssize_t get_modalias(char *buffer, size_t buffer_size)
{ "bvn", DMI_BIOS_VENDOR },
{ "bvr", DMI_BIOS_VERSION },
{ "bd", DMI_BIOS_DATE },
+ { "br", DMI_BIOS_RELEASE },
+ { "efr", DMI_EC_FIRMWARE_RELEASE },
{ "svn", DMI_SYS_VENDOR },
{ "pn", DMI_PRODUCT_NAME },
{ "pvr", DMI_PRODUCT_VERSION },
@@ -87,6 +95,7 @@ static ssize_t get_modalias(char *buffer, size_t buffer_size)
{ "cvn", DMI_CHASSIS_VENDOR },
{ "ct", DMI_CHASSIS_TYPE },
{ "cvr", DMI_CHASSIS_VERSION },
+ { "sku", DMI_PRODUCT_SKU },
{ NULL, DMI_NONE }
};
@@ -146,7 +155,7 @@ static const struct attribute_group* sys_dmi_attribute_groups[] = {
NULL
};
-static int dmi_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int dmi_dev_uevent(const struct device *dev, struct kobj_uevent_env *env)
{
ssize_t len;
@@ -160,9 +169,14 @@ static int dmi_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
return 0;
}
+static void dmi_dev_release(struct device *dev)
+{
+ kfree(dev);
+}
+
static struct class dmi_class = {
.name = "dmi",
- .dev_release = (void(*)(struct device *)) kfree,
+ .dev_release = dmi_dev_release,
.dev_uevent = dmi_dev_uevent,
};
@@ -187,12 +201,15 @@ static void __init dmi_id_init_attr_table(void)
ADD_DMI_ATTR(bios_vendor, DMI_BIOS_VENDOR);
ADD_DMI_ATTR(bios_version, DMI_BIOS_VERSION);
ADD_DMI_ATTR(bios_date, DMI_BIOS_DATE);
+ ADD_DMI_ATTR(bios_release, DMI_BIOS_RELEASE);
+ ADD_DMI_ATTR(ec_firmware_release, DMI_EC_FIRMWARE_RELEASE);
ADD_DMI_ATTR(sys_vendor, DMI_SYS_VENDOR);
ADD_DMI_ATTR(product_name, DMI_PRODUCT_NAME);
ADD_DMI_ATTR(product_version, DMI_PRODUCT_VERSION);
ADD_DMI_ATTR(product_serial, DMI_PRODUCT_SERIAL);
ADD_DMI_ATTR(product_uuid, DMI_PRODUCT_UUID);
ADD_DMI_ATTR(product_family, DMI_PRODUCT_FAMILY);
+ ADD_DMI_ATTR(product_sku, DMI_PRODUCT_SKU);
ADD_DMI_ATTR(board_vendor, DMI_BOARD_VENDOR);
ADD_DMI_ATTR(board_name, DMI_BOARD_NAME);
ADD_DMI_ATTR(board_version, DMI_BOARD_VERSION);